SI-BONE (SIBN) legal chief awarded RSUs, executes tax sell-to-cover trades

Rhea-AI Filing Summary

SI-BONE, Inc. reported that executive Michael A. Pisetsky, SVP of Operations & Administration and Chief Legal Officer, received several stock awards and sold shares primarily to cover taxes. On February 16, 2026, he acquired 58,720 shares of common stock and two additional grants of 9,787 shares each as restricted stock unit awards, at a stated price of $0.00 per share, reflecting equity compensation that will vest over multi-year periods based on service and, for one grant, relative total shareholder return performance.

On February 17, 2026, he executed open-market sales totaling 20,756 shares of common stock at weighted average prices around $15.31–$15.41 per share. Footnotes state these sales were required to satisfy tax withholding obligations from RSU vesting through “sell to cover” transactions and were not discretionary trades. After these transactions, he continued to hold a substantial share position, including 157,176 shares issuable upon settlement of restricted stock units.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

PISETSKY MICHAEL A.

(Last) (First) (Middle)

C/O SI-BONE, INC.

471 EL CAMINO REAL, SUITE 101

(Street)

SANTA CLARA CA 95050

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
SI-BONE, Inc. [ SIBN ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Ops & Adm/Chief Legal Ofr

3. Date of Earliest Transaction (Month/Day/Year)
02/16/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/16/2026		A		58,720(1)	A	$0.00	287,156	D
Common Stock	02/16/2026		A		9,787(2)	A	$0.00	296,943	D
Common Stock	02/16/2026		A		9,787(2)	A	$0.00	306,730	D
Common Stock	02/17/2026		S(3)		2,556	D	$15.3897(4)	304,174	D
Common Stock	02/17/2026		S(3)		3,296	D	$15.4144(5)	300,878	D
Common Stock	02/17/2026		S(3)		1,481	D	$15.3193(6)	299,397	D
Common Stock	02/17/2026		S(3)		11,569	D	$15.3365(7)	287,828	D
Common Stock	02/17/2026		S(3)		1,854	D	$15.3099(6)	285,974(8)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest over four years beginning on February 15, 2026, and will be released in quarterly installments, subject to the Reporting Person's continued service through each relevant vesting date.

2. Reflects shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The shares subject to the restricted stock unit will vest, if at all, over three years based on the Issuer's total shareholder return (TSR) as measured against the TSR of the company at the median of the range TSRs of a set of peer companies established by the Issuer as set forth in the grant.

3. The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale satisfies the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person.

4. This transaction was executed in multiple trades at prices ranging from $15.24 USD to $15.62 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

5. This transaction was executed in multiple trades at prices ranging from $15.25 USD to $15.64 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

6. This transaction was executed in multiple trades at prices ranging from $15.13 USD to $15.51 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

7. This transaction was executed in multiple trades at prices ranging from $15.13 USD to $15.64 USD; the price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide Issuer, any security holder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

8. Includes 157,176 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

Remarks:

	/s/ Michael A. Pisetsky	02/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transactions did SI-BONE (SIBN) report for Michael Pisetsky?

SI-BONE reported that executive Michael A. Pisetsky received multiple restricted stock unit grants and sold 20,756 common shares. The sales occurred at weighted average prices around $15.31–$15.41 per share, mainly to cover tax withholding obligations tied to vesting equity awards.

How many SI-BONE (SIBN) shares did Michael Pisetsky sell and at what prices?

Michael Pisetsky sold a total of 20,756 SI-BONE common shares. The Form 4 shows several open-market sales on February 17, 2026, at weighted average prices ranging from about $15.31 to $15.41 per share, executed in multiple trades within narrower intraday price ranges.

Were Michael Pisetsky’s SI-BONE (SIBN) stock sales discretionary trades?

The filing states the reported sales were required to cover tax withholding obligations from restricted stock unit vesting. These “sell to cover” transactions are described as satisfying tax liabilities and are explicitly noted as not representing discretionary trades by the reporting person.

What equity awards did Michael Pisetsky receive from SI-BONE (SIBN)?

Pisetsky received an award of 58,720 restricted stock units and two additional grants of 9,787 units each. One grant vests over four years based on continued service, while another vests over three years depending on relative total shareholder return performance against a defined peer group.

How many SI-BONE (SIBN) restricted stock units does Michael Pisetsky hold after these transactions?

The Form 4 notes that his holdings include 157,176 shares issuable upon settlement of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of SI-BONE common stock, subject to time-based or performance-based vesting conditions described in the footnotes.

What role does Michael A. Pisetsky hold at SI-BONE (SIBN) in this Form 4?

In this Form 4, Michael A. Pisetsky is identified as an officer of SI-BONE serving as Senior Vice President of Operations and Administration and Chief Legal Officer. The reported transactions involve his directly held common stock and equity awards granted in connection with his executive role.